Power set: Difference between revisions
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{one,two,three,four}</pre> |
{one,two,three,four}</pre> |
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=={{header|PowerShell}}== |
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<lang PowerShell> |
<lang PowerShell> |
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function power-set ($array) { |
function power-set ($array) { |
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} |
} |
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$ |
$setA = power-set @(1,2,3,4) |
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"number of sets in |
"number of sets in setA: $($setA.Count)" |
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"sets in |
"sets in setA:" |
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$OFS = "," |
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$ |
$setA | foreach{"{"+"$_"+"}"} |
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| ⚫ | |||
$setB = @() |
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"number of sets in |
"number of sets in setB: $($setB.Count)" |
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"sets in setB:" |
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$setB | foreach{"{"+"$_"+"}"} |
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"number of sets in setC: $($setC.Count)" |
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"sets in setC:" |
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$setC | foreach{"{"+"$_"+"}"} |
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</lang> |
</lang> |
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<b>Output:</b> |
<b>Output:</b> |
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<pre> |
<pre> |
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number of sets in |
number of sets in setA: 16 |
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sets in |
sets in setA: |
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{} |
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1 |
{1} |
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{1,2} |
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2 |
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{1,2,3} |
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3 |
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| ⚫ | |||
4 |
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1 |
{1,2,4} |
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1 |
{1,3} |
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1 |
{1,3,4} |
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{1,4} |
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2 3 |
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2 |
{2} |
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{2,3} |
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3 4 |
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{2,3,4} |
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{2,4} |
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{3} |
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1 3 4 |
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{3,4} |
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{4} |
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number of sets in |
number of sets in setB: 0 |
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sets in setB: |
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number of sets in setC: 2 |
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sets in setC: |
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{} |
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{} |
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</pre> |
</pre> |
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